An unvaccinated Marin County elementary school teacher caused an outbreak of 27 coronavirus cases among students and parents at the school, according to the CDC. https://t.co/2ewwvwDmGV— San Francisco Chronicle (@sfchronicle) August 27, 2021
An unvaccinated Marin County elementary school teacher caused an outbreak of 27 coronavirus cases among students and parents at the school, according to the CDC. https://t.co/2ewwvwDmGV